CVE-2022-2977
highpriority · track · 31EPSS 0.002 · 16 %ileDEEURUUSEPSS · scored 2026-10-27
A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (25)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-1429Linux Kernel: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2022-09-14csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen.
- WID-SEC-W-2024-0794Dell ECS: Mehrere SchwachstellenDeutsch2024-04-04csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell ECS ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren, einen Cross-Site-Scripting-Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-2977/cnnvd
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d8e7007dc7c4d7c8366739bbcd3f5e51dcd470fcnnvd
- https://security.netapp.com/advisory/ntap-20230214-0006/cnnvd
- https://vigilance.fr/vulnerability/Linux-kernel-reuse-after-free-via-Proxied-Virtualized-TPM-Devices-39277cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.4579cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.4621cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.4626cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.5466cnnvd
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